The short version

From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.

  • Advanced Energy Industries is the larger company, worth $10.5B, about 1.7 times Enersys.
  • Advanced Energy Industries grew revenue faster over the last year (+30.0% vs +4.8%).
  • Advanced Energy Industries keeps more of each dollar of revenue as operating profit (13.2% vs 12.9%).
  • On earnings, Enersys is the cheaper stock (20.8x vs 57.1x).
  • Advanced Energy Industries's price assumes faster free cash flow growth: about 24% a year, against -0% for Enersys (reverse DCF).

Side by side

The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.

MeasureAEISENS
Market cap$10.5B$6.2B
Share price$288.66$179.81
Revenue (last fiscal year)$1.8B$3.8B
Free cash flow (last fiscal year)$126M$468M
Revenue growth, last year+30.0%+4.8%
Revenue growth per year, last 5 fiscal years+5.4%+2.8%
Operating margin13.2%12.9%
Net margin10.8%9.3%
Return on equity15.1%17.9%
P/E (trailing)57.1x20.8x
Price / free cash flow83.2x13.2x
EV / EBITDA36.2x12.9x
FCF growth the price implies23.9%-0.44%
Dividend yield0.14%0.58%
Debt / equity1.34x1.01x
Fundamental gradeCC
Superinvestors holding it63
Insider purchases, last 12 months40

Results from SEC filings

Revenue and free cash flow by fiscal year, from each company's 10-K filings.

Advanced Energy Industries

YearRevenueFree cash flowOp. margin
2021$1.5B$111M10.4%
2022$1.8B$125M12.6%
2023$1.7B$148M6.9%
2024$1.5B$74M2.5%
2025$1.8B$126M9.3%

Enersys

YearRevenueFree cash flowOp. margin
2022$3.4B-$140M6.1%
2023$3.7B$191M7.5%
2024$3.6B$371M9.8%
2025$3.6B$139M12.8%
2026$3.8B$468M11.4%

Where the revenue comes from

Advanced Energy Industries · by products, 2025

Semiconductor Equipment$840M47%
Data Center Computing$587M33%
Industrial and Medical$282M16%
Telecom and Networking$89M5%

Enersys · by segments, 2024

Energy Systems$1.6B44%
Motive Power$1.5B41%
Specialty$536M15%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open AEIS in Investingly

Questions

Which is bigger, Advanced Energy Industries or Enersys?

Advanced Energy Industries (AEIS), at $10.5B against $6.2B.

Is AEIS or ENS cheaper?

By trailing P/E, Enersys (20.8x) is cheaper than Advanced Energy Industries (57.1x). A lower multiple can also mean the market expects less growth.

Which grows faster, AEIS or ENS?

Advanced Energy Industries: revenue grew +30.0% over the last year, against +4.8%.

Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.